National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

82°F

28°C

Humidity 82%
Wind Speed SE 5 mph
Barometer 29.86 in (1010.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 4 Jul 2:54 am ChST
Extended Forecast for

Agat GU

  • Overnight

    Overnight: Isolated showers. Mostly cloudy, with a low around 78. East southeast wind around 6 mph.

    Low: 78 °F

    Isolated
    Showers

  • Independence Day

    Independence Day: Isolated showers. Mostly sunny, with a high near 86. East southeast wind 5 to 9 mph.

    High: 86 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 78. East southeast wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 86. South southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Light south southeast wind. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

Detailed Forecast

Overnight
Isolated showers. Mostly cloudy, with a low around 78. East southeast wind around 6 mph.
Independence Day
Isolated showers. Mostly sunny, with a high near 86. East southeast wind 5 to 9 mph.
Friday Night
Scattered showers. Mostly cloudy, with a low around 78. East southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Saturday
Scattered showers. Partly sunny, with a high near 86. South southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Light south southeast wind. Chance of precipitation is 40%.
Sunday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 78.
Monday
A chance of showers. Partly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 78.
Tuesday
A chance of showers. Partly sunny, with a high near 86.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 78.
Wednesday
A chance of showers. Partly sunny, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 78.
Thursday
A chance of showers. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agat GU
 13.38°N 144.67°E
Last Update:
6:05 pm ChST Jul 3, 2025
Forecast Valid:
3am ChST Jul 4, 2025-6pm ChST Jul 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation